Warning: include_once(SMARTY_DIRSmarty.class.php): failed to open stream: No such file or directory in /home/irom/public_html/index.php on line 2

Warning: include_once(): Failed opening 'SMARTY_DIRSmarty.class.php' for inclusion (include_path='.:/opt/php54/lib/php') in /home/irom/public_html/index.php on line 2

Fatal error: Class 'Smarty' not found in /home/irom/public_html/index.php on line 4